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Finding the Fourth Proportional to 14,482.68, 21,726.96 and 4,621.68

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Solution

The fourth proportional to 14,482.68, 21,726.96 and 4,621.68 is: 6,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.68 : 21,726.96 = 4,621.68 : x
  2. Step 2: Convert to fraction form
    14,482.68/21,726.96 = 4,621.68/x
  3. Step 3: Cross multiply
    14,482.68x = 21,726.96 × 4,621.68
  4. Step 4: Simplify right side
    14,482.68x = 100,415,056.49
  5. Step 5: Solve for x
    x = 100,415,056.49/14,482.68
  6. Step 6: Final answer
    x = 6,933.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.